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1	256 National Report of Germany on EUREF J. IHDE1, K. PAHLER2, M. SACHER1, G. WEBER1 pates in the supply of the necessary precise GPS satellite orbits by the “International GPS Service (IGS)”. Precise Add to Reading List Source URL: www.euref.eu Language: English - Date: 2003-11-27 07:09:39 Measurement Regional Reference Frame Sub-Commission for Europe European Terrestrial Reference System GLONASS Global Positioning System Normalhöhennull Differential GPS Geodetic system Datum Geodesy Cartography Technology
2	Tidal Correction Using GPS – Determination of the Chart Datum October 9, FIG Congress 2006 Add to Reading List Source URL: www.fig.net Language: English - Date: 2010-11-10 06:34:13 Navigation Cartography Surveying Datum Chart datum Normalhöhennull Global Positioning System LORAN Tidal range Geodesy Technology Tides